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Frank Muldoon Control of hydrothermal waves in a thermocapillary flow using a gradient-based control strategy International Journal for Numerical Methods in Fluids 72

Article first published online: 1 OCT 2012 | DOI: 10.1002/fld.3735

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Control of the hydrothermal waves in a thermocapillary flow is addressed using a gradient-based control strategy and a spatially and temporally varying heat flux boundary condition at the free surface. The modeled problem is the ‘open boat’ process of crystal growth, the flow which is driven by Marangoni and buoyancy effects. Almost complete suppression of the hydrothermal waves is obtained for certain choices of the control algorithm parameters.

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